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HERO ID
5219165
Reference Type
Journal Article
Subtype
Review
Title
Bovine β-lactoglobulin/fatty acid complexes: binding, structural, and biological properties
Author(s)
Le Maux, S; Bouhallab, S; Giblin, L; Brodkorb, A; Croguennec, T
Year
2014
Is Peer Reviewed?
Yes
Journal
Dairy Science & Technology
ISSN:
1958-5586
Volume
94
Page Numbers
409-426
Language
English
PMID
25110551
DOI
10.1007/s13594-014-0160-y
Web of Science Id
WOS:000340369000001
Abstract
Ligand-binding properties of β-lactoglobulin (β-lg) are well documented, but the subsequent biological functions are still unclear. Focusing on fatty acids/β-lg complexes, the structure-function relationships are reviewed in the light of the structural state of the protein (native versus non-native aggregated proteins). After a brief description of β-lg native structure, the review takes an interest in the binding properties of native β-lg (localization of binding sites, stoichiometry, and affinity) and the way the interaction affects the biological properties of the protein and the ligand. The binding properties of non-native aggregated forms of β-lg that are classically generated during industrial processing are also related. Structural changes modify the stoichiometry and the affinity of β-lg for fatty acids and consequently the biological functions of the complex. Finally, the fatty acid-binding properties of other whey proteins (α-lactalbumin, bovine serum albumin) and some biological properties of the complexes are also addressed. These proteins affect β-lg/fatty acids complex in whey given their competition with β-lg for fatty acids.
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